0
It sticks to the phosphate heads, preventing motion and increasing hydrophobic reactions.
Wiki User
∙ 9y ago
Add your answer:
Earn +20 pts
Why cholesterol decreases the permeability of biological membranes?
Because cholesterol is amphipathic, it fits in between the phospholipids and blocks diffusion through the membrane.
What is A lipid found in animal cell membranes that reduces permeability and stiffens up the membrane?
cholesterol
What feature of a membrane describes whether molecules can cross the membrane?
permeabiity
What is the function of a cholesterol in the cell membrane?
Cholesterol is found in the membrane. It prevents lower temperatures from inhibiting the fluidity of the membrane and prevents higher temperatures from increasing fluidity. It stabilizes the membrane. Only animal cells have cholesterol in their membranes.
What is the purpose of cholesterol in a membrane?
Cholesterol helps stabilize the membrane at warm temperatures, but also helps keep the membrane fluid at lower temperatures.
What is the function of the cholesterol in a cell membranes?
Cholesterol is found in the membrane. It prevents lower temperatures from inhibiting the fluidity of the membrane and prevents higher temperatures from increasing fluidity. It stabilizes the membrane. Only animal cells have cholesterol in their membranes.
What are facts about permeability?
Changes in permeability are changes in the number of compounds that can pass through a membrane. The presence of certain chemicals or radiation can change the permeability of a membrane.
What is the function of the cholesterol molecules in a cell membrane?
Cholesterol is found in the membrane. It prevents lower temperatures from inhibiting the fluidity of the membrane and prevents higher temperatures from increasing fluidity. It stabilizes the membrane. Only animal cells have cholesterol in their membranes.
Does increasing membrane permeability affect the time it takes for the osmometer to reach equilibrium?
It should. The permeability of a membrane defines how fast substances move across a membrane from a high concentration environment to the lower concentration environment. The more permeable the membrane the sooner equilibrium is reached when the concentrations on both side are the same.
What is the ability of a cell membrane to allow material to pass through it called?
permeability
The permeability of most membranes is reduced by the presence of?
Cholesterol
Which feature of a membrane describes molecules whether can cross the membrane?
permeability
